How to assign a unique class to blocks?

Question

opencart

There is a category output module (categories showcase) for OpenCart 2.1.0.2. The module displays blocks with categories, but all blocks have the same class div class="item-container". What code needs to be written in order to assign a class to each block? Eg. div class="item-container-2", div class="item-container-3", etc.

Answer 1

Issue resolved:

<?php $h = 1; ?>
<div class="item-container-<?php echo $h; ?>"></div>
<?php $h++; ?>